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package org.netbeans.modules.javafx.platform.platformdefinition;

import org.netbeans.api.java.platform.JavaPlatform;
import org.netbeans.api.java.platform.JavaPlatformManager;
import org.netbeans.spi.java.queries.SourceLevelQueryImplementation;
import org.openide.filesystems.FileObject;

/**
 * Returns the source level for the non projectized java/class files (those
 * file for which the classpath is provided by the {@link DefaultClassPathProvider}
 * @author Tomas Zezula
 */
public class DefaultSourceLevelQueryImpl implements SourceLevelQueryImplementation {

    private static final String JAVA_EXT = "java";  //NOI18N

    public DefaultSourceLevelQueryImpl() {}

    public String getSourceLevel(final FileObject javaFile) {
        assert javaFile != null : "javaFile has to be non null";   //NOI18N
        String ext = javaFile.getExt();
        if (JAVA_EXT.equalsIgnoreCase (ext)) {
            JavaPlatform jp = JavaPlatformManager.getDefault().getDefaultPlatform();
            assert jp != null : "JavaPlatformManager.getDefaultPlatform returned null";     //NOI18N
            String s = jp.getSpecification().getVersion().toString();
            if (s.equals("1.6") || s.equals("1.7")) { // NOI18N
                // #89131: these levels are not actually distinct from 1.5.
                return "1.5"; // NOI18N
            } else {
                return s;
            }
        }
        return null;
    }

}
